Alberto Garcia da86f8cbad qcow2: Use bs->bl.request_alignment when updating an L1 entry ...

When updating an L1 entry the qcow2 driver writes a (512-byte) sector
worth of data to avoid a read-modify-write cycle. Instead of always
writing 512 bytes we should follow the alignment requirements of the
storage backend.

(the only exception is when the alignment is larger than the cluster
size because then we could be overwriting data after the L1 table)

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 71f34d4ae4b367b32fb36134acbf4f4f7ee681f4.1579374329.git.berto@igalia.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>

2020-02-06 13:47:45 +01:00

..

accounting.c

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aio_task.c

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backup-top.c

block/backup: fix memory leak in bdrv_backup_top_append()

2020-01-27 17:19:53 +01:00

backup-top.h

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backup.c

block/backup-top: Don't acquire context while dropping top

2020-01-27 17:19:53 +01:00

blkdebug.c

blkdebug: Allow taking/unsharing permissions

2020-01-06 13:43:06 +01:00

blklogwrites.c

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blkreplay.c

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blkverify.c

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block-backend.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

block-copy.c

block/block-copy: fix s->copy_size for compressed cluster

2019-11-04 09:21:45 +01:00

bochs.c

…

cloop.c

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commit.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

copy-on-read.c

block/cor: Drop cor_co_truncate()

2019-10-28 11:59:51 +01:00

create.c

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crypto.c

block: Let format drivers pass @exact

2019-10-28 12:05:30 +01:00

crypto.h

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curl.c

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dirty-bitmap.c

bitmap: Enforce maximum bitmap name length

2019-11-18 16:01:34 -06:00

dmg-bz2.c

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dmg-lzfse.c

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dmg.c

…

dmg.h

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file-posix.c

block/file-posix.c: extend to use io_uring

2020-01-30 20:59:42 +00:00

file-win32.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

filter-compress.c

block: introduce compress filter driver

2020-01-06 13:43:07 +01:00

gluster.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

io_uring.c

block/io_uring: adds userspace completion polling

2020-01-30 20:59:42 +00:00

io.c

block/io: take bs->reqs_lock in bdrv_mark_request_serialising

2020-01-30 20:59:41 +00:00

iscsi-opts.c

…

iscsi.c

iscsi: Don't access non-existent scsi_lba_status_descriptor

2020-01-27 17:19:53 +01:00

linux-aio.c

linux-aio: increasing MAX_EVENTS to a larger hardcoded value

2020-01-13 16:41:45 +00:00

Makefile.objs

block/io_uring: implements interfaces for io_uring

2020-01-30 20:59:41 +00:00

mirror.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

nbd.c

nbd: assert that Error** is not NULL in nbd_iter_channel_error

2019-12-18 08:43:19 +01:00

nfs.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

null.c

…

nvme.c

block/nvme: add support for discard

2019-10-28 11:34:35 +01:00

parallels.c

Block patches for softfreeze:

2019-10-28 14:40:01 +00:00

parallels.h

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qapi.c

…

qcow2-bitmap.c

qcow2-bitmaps: fix qcow2_can_store_new_dirty_bitmap

2020-01-06 13:43:06 +01:00

qcow2-cache.c

core: replace getpagesize() with qemu_real_host_page_size

2019-10-26 15:38:06 +02:00

qcow2-cluster.c

qcow2: Use bs->bl.request_alignment when updating an L1 entry

2020-02-06 13:47:45 +01:00

qcow2-refcount.c

qcow2: Don't round the L1 table allocation up to the sector size

2020-02-06 13:47:45 +01:00

qcow2-snapshot.c

qcow2: Don't round the L1 table allocation up to the sector size

2020-02-06 13:47:45 +01:00

qcow2-threads.c

…

qcow2.c

qcow2: Tighten cluster_offset alignment assertions

2020-02-06 13:47:45 +01:00

qcow2.h

qcow2: Fix QCOW2_COMPRESSED_SECTOR_MASK

2019-11-07 14:37:46 +01:00

qcow.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

qed-check.c

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qed-cluster.c

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qed-l2-cache.c

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qed-table.c

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qed.c

block: Pass truncate exact=true where reasonable

2019-10-28 12:08:45 +01:00

qed.h

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quorum.c

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raw-format.c

block: Let format drivers pass @exact

2019-10-28 12:05:30 +01:00

rbd.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

replication.c

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sheepdog.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

snapshot.c

block/snapshot: rename Error ** parameter to more common errp

2019-12-18 08:43:19 +01:00

ssh.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

stream.c

…

throttle-groups.c

throttle-groups: fix memory leak in throttle_group_set_limit:

2020-01-06 13:43:06 +01:00

throttle.c

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trace-events

block: add trace events for io_uring

2020-01-30 20:59:42 +00:00

vdi.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

vhdx-endian.c

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vhdx-log.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

vhdx.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

vhdx.h

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vmdk.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

vpc.c

block: Add @exact parameter to bdrv_co_truncate()

2019-10-28 12:00:07 +01:00

vvfat.c

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vxhs.c

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win32-aio.c

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write-threshold.c

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